. -You ought to have learnt all these sentences by heart. - , but I forgot everything when I was asked to recite them in front of so many students. A. So I ought to B. So I did C. So I must D. So did 题目和参考答案——青夏教育精英家教网—

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. —You ought to have learnt all these sentences by heart.

— , but I forgot everything when I was asked to recite them in front of so many students.

A. So I ought to B. So I did C. So I must D. So did I

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I think you ought to end it ____ it is too late, or you’ll kill yourself.

A. even if B. before C. so that D. once

President Barack Obama rode a bicycle at the White House Science Fair on April 22. But it wasn’t an ordinary bike. As he pedaled, the President stayed in place, while the energy from his pedaling powered a water filtration (过滤) system. He was testing an invention created by a team of 14 students from Northeast High School, in Oakland Park, Florida.

Payton Karr, 16, and Kiona Elliot, 18, attended the fair as representatives of the project.“We were hoping President Obama would ride the bike, but we didn’t actually expect him to,” Payton told TFK. “ It really meant a lot.” Kiona agreed. “It was pretty awesome to see the invention, which was invented by a group of 14 high school students and one teacher, along with the help of community members, got the interest of the leader of our nation,” she said.

The project was an idea that came about after one of the Northeast students, Kalie Hoke, visited Haiti after the terrible 2010 earthquake and saw how difficult it was to find clean water. The students invented a portable(便携的), bicycle-powered emergency water filtration system, which can provide 20-30 people with drinking water in a 15-hour period. The teens hope their invention will one day be used by relief organizations like the Red Cross. “ They can take it to places after natural disasters so that water can be clean for the people there,” said Payton.

Payton and Kiona were among the 100 students from more than 40 states invited to the third annual White House Science Fair, in Washington, D.C., which is also attended by leaders in science and education. President Obama started the event in 2010 to stimulate students interested in STEM (Science, Technology, Engineering, Maths).“Well, if you’re a young person and you produce the best experiment or design, you ought to be recognized for that achievement,” Obama said when he first announced the fair.

President Obama praised the projects during a speech to attendees after the fair. “The science fair projects of today could become the products and businesses of tomorrow,” he said. “If you’re inventing things in the third grade, what are you going to do by the time you get to college?”

1.What is special about the bicycle President Obama rode?

A. It can move very fast.

B. It is extremely beautiful.

C. It is used to make water clean.

D. It is made of eco-friendly materials.

2.The representatives of the bicycle-powered water filtration system_________.

A. were both community members

B. graduated from a famous university

C. finished the project with the help of their parents

D. were surprised that their invention interested Obama

3.The bicycle-powered water filtration system was designed ________________.

A. at the request of the Red Cross

B. for city families to get pure water

C. during the terrible 2010 earthquake in Haiti

D. to provide people in disaster areas with clean water

4.The underlined word “stimulate” in Paragraph 4 can be replaced by _________.

A. help B. inspire C. change D. entertain

5.We can know from the last sentence in the passage that President Obama _____.

A. wanted the youth to have big dreams

B. encouraged the youth to go to college

C. worried the young inventors would do nothing in college

D. believed the young inventors would have a promising future

Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

A. desperation B. authorities C. diligently D. confusion E. enrolled

F. violently G. financial H. conclusion I. devoted J. graduation

Seventeen years ago, when I was in military college, I was known as “the worrying wreck from Virginia Tech”. I worried so ____1_____ that I often became ill. In _____2_____, I poured out my troubles to Professor Baird, professor of business administration. The fifteen minutes that I spent with Professor Baird did more for my health and happiness than all the rest of the four years I spent in college. “Jim,” he said, “you ought to sit down and face the facts. If you _____3_____ half as much time and energy to solving your problems as you do to worrying about them, you wouldn’t have any worries. ”

I figured that I had failed physics because I had no interest in the subject. But now I changed my attitude. I said to myself, “If the college _____4_____ demand that I pass my physics examination before I obtain a degree, who am I to question their wisdom?”

So I ______5____ for physics again. This time I passed because instead of wasting my time in worrying about how hard it was, I studied _____6_____.

I solved my ____7_____ worries by taking on some additional jobs, such as selling punch at the college dances, and by borrowing money from my father, which I paid back soon after ____8______.

As I look back at it now, I can see that my problem was one of _____9_____, a lack of willingness to find the causes of my worry and face them realistically.

单词拼写。请依据首字母和汉语提示写出单词的正确形式。（每词1分，共１０词，共 10 分）

1. The times of the wedding ____ (仪式) and the ______(婚宴) are both written on the ____ (请帖).

2. There is a box at the (入口) to the restaurant and you ought to put money into it. But don’t worry, you don’t have to ____ (捐献，贡献) a lot of money. But remember that you can’t drink _________(白酒).

3. We seriously wrote Father Christmas, the North Pole on the (信封).

4. As we opened the new year (日历), Christmas cards arrived in the post.

5. My mother works in an (保险) company.

6. A person of (坚定的意志) always manages to finish the job, however hard it is.

You ought to have a good rest ________ you’ve finished your painting.

A. even if B. when C. now that D. as long as

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